Manufacturing method for improving cupping value of 3104 aluminum alloy strip
A manufacturing method and technology of aluminum alloy strips, applied in the field of aluminum alloy materials, can solve the problems of 3104 aluminum alloy strip stamping and forming cracks, cupping value not up to standard, etc., to overcome easy cracking, excellent cupping value, and improve deep drawing performance effect
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[0024] In order to deepen the understanding of the present invention, the present invention will be further described in detail below in conjunction with the embodiments. The embodiments are only used to explain the present invention and do not limit the protection scope of the present invention.
[0025] As shown in the embodiments, the present invention is a manufacturing method for improving the cupping value of 3104 aluminum alloy strip, and the manufacturing method includes the following steps:
[0026] (1) Ingredients: The following weight percentage materials are used for the alloy ratio, that is, Si is 0.17 to 0.25%, Fe is 0.35 to 0.45%, Cu is 0.15 to 0.2%, Mn is 0.85 to 0.95%, and Mg is 1.15 to 1.25 %, Zn is ≤0.1%, RE (rare earth element) is 0.005~0.02%, Ti is ≤0.1%, and the balance is Al;
[0027] Example 1. The alloy ratio of 3104 aluminum alloy strip is as follows in terms of mass percentage:
[0028] Si is 0.25%, Fe is 0.45%, Cu is 0.2%, Mn is 0.95%, Mg is 1.25%, Zn is 0....
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